html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed, 
figure, figcaption, footer, header, hgroup, 
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
	margin: 0;
	padding: 0;
	border: 0;
	font: inherit;
	vertical-align: baseline;
}
html{
	font-size: 14px;
	color: #424242;
}
ol,ul{
	list-style: none;
}
h1,h2,h3,h4,h5,h6{
	font-size: 14px;
}
a{
	text-decoration: none;
	color: #424242;
}
input,button{
	outline: none;
}
.container{
	width: 1200px;
	margin:0 auto;
}
.fl{
	float: left;
}
.fr{
	float: right;
}
/*清除浮动*/
.clearfix::before, .clearfix::after{
	content: ' ';
	display: block;
	clear: both;
	visibility: hidden;
	height: 0;
}